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Gmail IMAP incoming mail #3681

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opened 2026-02-20 16:08:34 -05:00 by deekerman · 4 comments

deekerman commented

2026-02-20 16:08:34 -05:00

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Originally created by @haneef-faisal on GitHub (Apr 11, 2019).

Environment
SuiteCRM Version 7.11.3
Sugar Version 6.5.25 (Build 344)
Ubuntu 16.04.6 LTS
Apache/2.4.18
PHP 7.3.3-1+ubuntu16.04.1+deb.sury.org+1 (cli) (built: Mar 7 2019 20:31:26) ( NTS )
Copyright (c) 1997-2018 The PHP Group
Zend Engine v3.3.3, Copyright (c) 1998-2018 Zend Technologies
with Zend OPcache v7.3.3-1+ubuntu16.04.1+deb.sury.org+1, Copyright (c) 1999-2018, by Zend Technologies
MySQL 5.7.25
AWS EC2 Server; running only 1 SuiteCRM instance

The inbound emails were working till 2 days back; but now they won't import the emails. I am using GMail Apps IDs for Bounce Handling; currently there are 8 IDs with unread emails but my SuiteCRM instance won't process them.

I have already tried deleting all Inbound Emails (Bounce Handling) and creating only 1 account. On the SuiteCRM UI; the connection test is successful; however when I tail the suitecrm logs at debug level; I see the following:

Thu Apr 11 18:24:29 2019 [5705][1][ERROR] ImapHandler trying to set a non valid resource az stream.
Thu Apr 11 18:24:29 2019 [5705][1][ERROR] ImapHandler trying to use a non valid resource stream.
Thu Apr 11 18:24:29 2019 [5705][1][WARN] An Imap error detected: "IMAP open error"
Thu Apr 11 18:24:29 2019 [5705][1][ERROR] ImapHandler trying to use a non valid resource stream.
Thu Apr 11 18:24:29 2019 [5705][1][ERROR] ImapHandler trying to use a non valid resource stream.
Thu Apr 11 18:24:29 2019 [5705][1][ERROR] ImapHandler trying to set a non valid resource az stream.
Thu Apr 11 18:24:29 2019 [5705][1][ERROR] ImapHandler trying to use a non valid resource stream.
Thu Apr 11 18:24:29 2019 [5705][1][WARN] An Imap error detected: "IMAP open error"
Thu Apr 11 18:24:29 2019 [5705][1][ERROR] ImapHandler trying to use a non valid resource stream.
Thu Apr 11 18:24:29 2019 [5705][1][ERROR] ImapHandler trying to use a non valid resource stream.
Thu Apr 11 18:24:29 2019 [5705][1][ERROR] ImapHandler trying to set a non valid resource az stream.
Thu Apr 11 18:24:29 2019 [5705][1][ERROR] ImapHandler trying to use a non valid resource stream.
Thu Apr 11 18:24:29 2019 [5705][1][WARN] An Imap error detected: "IMAP open error"
Thu Apr 11 18:24:29 2019 [5705][1][ERROR] ImapHandler trying to use a non valid resource stream.
Thu Apr 11 18:24:29 2019 [5705][1][ERROR] ImapHandler trying to use a non valid resource stream.
Thu Apr 11 18:24:29 2019 [5705][1][WARN] An Imap error detected: "Can't open mailbox {imap.gmail.com:993/service=imap/ssl/tls/validate-cert/secure}INBOX: invalid remote specification"
Thu Apr 11 18:24:29 2019 [5705][1][ERROR] ImapHandler trying to use a non valid resource stream.
Thu Apr 11 18:24:29 2019 [5705][1][WARN] An Imap error detected: "Can't open mailbox {imap.gmail.com:993/service=imap/ssl/tls/validate-cert/secure}INBOX: invalid remote specification"
Thu Apr 11 18:24:29 2019 [5705][1][WARN] An Imap error detected: "Can't open mailbox {imap.gmail.com:993/service=imap/ssl/tls/validate-cert/secure}INBOX: invalid remote specification"
Thu Apr 11 18:24:29 2019 [5705][1][WARN] An Imap error detected: "Can't open mailbox {imap.gmail.com:993/service=imap/ssl/tls/validate-cert/secure}INBOX: invalid remote specification"
Thu Apr 11 18:24:29 2019 [5705][1][ERROR] ImapHandler trying to set a non valid resource az stream.
Thu Apr 11 18:24:29 2019 [5705][1][ERROR] ImapHandler trying to use a non valid resource stream.
Thu Apr 11 18:24:29 2019 [5705][1][WARN] An Imap error detected: "IMAP open error"
Thu Apr 11 18:24:29 2019 [5705][1][ERROR] ImapHandler trying to use a non valid resource stream.
Thu Apr 11 18:24:29 2019 [5705][1][ERROR] ImapHandler trying to use a non valid resource stream.
Thu Apr 11 18:24:29 2019 [5705][1][ERROR] ImapHandler trying to set a non valid resource az stream.
Thu Apr 11 18:24:29 2019 [5705][1][ERROR] ImapHandler trying to use a non valid resource stream.
Thu Apr 11 18:24:29 2019 [5705][1][WARN] An Imap error detected: "IMAP open error"
Thu Apr 11 18:24:29 2019 [5705][1][ERROR] ImapHandler trying to use a non valid resource stream.
Thu Apr 11 18:24:29 2019 [5705][1][ERROR] ImapHandler trying to use a non valid resource stream.
Thu Apr 11 18:24:29 2019 [5705][1][ERROR] ImapHandler trying to set a non valid resource az stream.
Thu Apr 11 18:24:29 2019 [5705][1][ERROR] ImapHandler trying to use a non valid resource stream.
Thu Apr 11 18:24:29 2019 [5705][1][WARN] An Imap error detected: "IMAP open error"
Thu Apr 11 18:24:29 2019 [5705][1][ERROR] ImapHandler trying to use a non valid resource stream.
Thu Apr 11 18:24:29 2019 [5705][1][ERROR] ImapHandler trying to use a non valid resource stream.
Thu Apr 11 18:24:29 2019 [5705][1][WARN] An Imap error detected: "Can't open mailbox {imap.gmail.com:993/service=imap/ssl/tls/validate-cert}INBOX: invalid remote specification"
Thu Apr 11 18:24:29 2019 [5705][1][ERROR] ImapHandler trying to use a non valid resource stream.
Thu Apr 11 18:24:29 2019 [5705][1][WARN] An Imap error detected: "Can't open mailbox {imap.gmail.com:993/service=imap/ssl/tls/validate-cert}INBOX: invalid remote specification"
Thu Apr 11 18:24:29 2019 [5705][1][WARN] An Imap error detected: "Can't open mailbox {imap.gmail.com:993/service=imap/ssl/tls/validate-cert}INBOX: invalid remote specification"
Thu Apr 11 18:24:29 2019 [5705][1][WARN] An Imap error detected: "Can't open mailbox {imap.gmail.com:993/service=imap/ssl/tls/validate-cert}INBOX: invalid remote specification"
Thu Apr 11 18:24:30 2019 [5705][1][ERROR] ImapHandler trying to set a non valid resource az stream.
Thu Apr 11 18:24:30 2019 [5705][1][ERROR] ImapHandler trying to use a non valid resource stream.
Thu Apr 11 18:24:30 2019 [5705][1][WARN] An Imap error detected: "IMAP open error"
Thu Apr 11 18:24:30 2019 [5705][1][ERROR] ImapHandler trying to use a non valid resource stream.
Thu Apr 11 18:24:30 2019 [5705][1][ERROR] ImapHandler trying to use a non valid resource stream.
Thu Apr 11 18:24:30 2019 [5705][1][ERROR] ImapHandler trying to set a non valid resource az stream.
Thu Apr 11 18:24:30 2019 [5705][1][ERROR] ImapHandler trying to use a non valid resource stream.
Thu Apr 11 18:24:30 2019 [5705][1][WARN] An Imap error detected: "IMAP open error"
Thu Apr 11 18:24:30 2019 [5705][1][ERROR] ImapHandler trying to use a non valid resource stream.
Thu Apr 11 18:24:30 2019 [5705][1][ERROR] ImapHandler trying to use a non valid resource stream.
Thu Apr 11 18:24:30 2019 [5705][1][ERROR] ImapHandler trying to set a non valid resource az stream.
Thu Apr 11 18:24:30 2019 [5705][1][ERROR] ImapHandler trying to use a non valid resource stream.
Thu Apr 11 18:24:30 2019 [5705][1][WARN] An Imap error detected: "IMAP open error"
Thu Apr 11 18:24:30 2019 [5705][1][ERROR] ImapHandler trying to use a non valid resource stream.
Thu Apr 11 18:24:30 2019 [5705][1][ERROR] ImapHandler trying to use a non valid resource stream.
Thu Apr 11 18:24:30 2019 [5705][1][WARN] An Imap error detected: "Can't do secure authentication with this server"
Thu Apr 11 18:24:30 2019 [5705][1][ERROR] ImapHandler trying to use a non valid resource stream.
Thu Apr 11 18:24:30 2019 [5705][1][WARN] An Imap error detected: "Can't do secure authentication with this server"
Thu Apr 11 18:24:30 2019 [5705][1][WARN] An Imap error detected: "Can't do secure authentication with this server"
Thu Apr 11 18:24:30 2019 [5705][1][WARN] An Imap error detected: "Can't do secure authentication with this server"
Thu Apr 11 18:24:31 2019 [5705][1][WARN] Requested folder is not defined
Thu Apr 11 18:24:31 2019 [5705][1][ERROR] ImapHandler trying to use a non valid resource stream.
Thu Apr 11 18:24:31 2019 [5705][1][ERROR] ImapHandler trying to use a non valid resource stream.
Thu Apr 11 18:24:31 2019 [5705][1][ERROR] ImapHandler trying to use a non valid resource stream.
Thu Apr 11 18:24:31 2019 [5705][1][WARN] Connection is not a valid resource.

On Gmail Side I have already checked for:

IMAP is enabled
Password is correct
allow less secure is enabled
able to connect to the Gmail account via Outlook using IMAP
imap.gmail.com port 993 Use SSL: yes

Assuming that GMail might be blocking my server to connect for security reasons; I used the commands at https://tewarid.github.io/2011/05/10/access-imap-server-from-the-command-line-using-openssl.html to connect to the GMail account and was able to successfully connect. Herein is the log details:

username@ip-123-123-123-123:/var/www/html$ openssl s_client -crlf -connect imap.gmail.com:993
CONNECTED(00000003)
depth=0 OU = "No SNI provided; please fix your client.", CN = invalid2.invalid
verify error:num=18:self signed certificate
verify return:1
depth=0 OU = "No SNI provided; please fix your client.", CN = invalid2.invalid
verify return:1

Certificate chain
0 s:/OU=No SNI provided; please fix your client./CN=invalid2.invalid
i:/OU=No SNI provided; please fix your client./CN=invalid2.invalid

Server certificate
-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----
subject=/OU=No SNI provided; please fix your client./CN=invalid2.invalid
issuer=/OU=No SNI provided; please fix your client./CN=invalid2.invalid

No client certificate CA names sent
Peer signing digest: SHA256
Server Temp Key: X25519, 253 bits

SSL handshake has read 1386 bytes and written 373 bytes
Verification error: self signed certificate

New, TLSv1.3, Cipher is TLS_AES_256_GCM_SHA384
Server public key is 2048 bit
Secure Renegotiation IS NOT supported
Compression: NONE
Expansion: NONE
No ALPN negotiated
SSL-Session:
Protocol : TLSv1.3
Cipher : TLS_AES_256_GCM_SHA384
Session-ID:
Session-ID-ctx:
Resumption PSK: 000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000
PSK identity: None
PSK identity hint: None
SRP username: None
Start Time: 1555020226
Timeout : 7200 (sec)
Verify return code: 18 (self signed certificate)
Extended master secret: no
Max Early Data: 0

OK Gimap ready for requests from 3.18.238.149 g17mb16209661ivc
tag login username@gmail.com password
CAPABILITY IMAP4rev1 UNSELECT IDLE NAMESPACE QUOTA ID XLIST CHILDREN X-GM-EXT-1 UIDPLUS COMPRESS=DEFLATE ENABLE MOVE CONDSTORE ESEARCH UTF8=ACCEPT LIST-EXTENDED LIST-STATUS LITERAL- SPECIAL-USE APPENDLIMIT=35651584
tag OK username@gmail.com authenticated (Success)
tag LIST "" "*"
LIST (\HasNoChildren) "/" "INBOX"
LIST (\HasChildren \Noselect) "/" "[Gmail]"
LIST (\All \HasNoChildren) "/" "[Gmail]/All Mail"
LIST (\Drafts \HasNoChildren) "/" "[Gmail]/Drafts"
LIST (\HasNoChildren \Important) "/" "[Gmail]/Important"
LIST (\HasNoChildren \Sent) "/" "[Gmail]/Sent Mail"
LIST (\HasNoChildren \Junk) "/" "[Gmail]/Spam"
LIST (\Flagged \HasNoChildren) "/" "[Gmail]/Starred"
LIST (\HasNoChildren \Trash) "/" "[Gmail]/Trash"
tag OK Success
tag STATUS INBOX
tag BAD Could not parse command
tag STATUS INBOX (MESSAGES)
STATUS "INBOX" (MESSAGES 617)
tag OK Success
tag logout
BYE LOGOUT Requested
tag OK 73 good day (Success)
read:errno=0

Any assistance on this would be highly appreciated.

Originally created by @haneef-faisal on GitHub (Apr 11, 2019). **Environment** SuiteCRM Version 7.11.3 Sugar Version 6.5.25 (Build 344) Ubuntu 16.04.6 LTS Apache/2.4.18 PHP 7.3.3-1+ubuntu16.04.1+deb.sury.org+1 (cli) (built: Mar 7 2019 20:31:26) ( NTS ) Copyright (c) 1997-2018 The PHP Group Zend Engine v3.3.3, Copyright (c) 1998-2018 Zend Technologies with Zend OPcache v7.3.3-1+ubuntu16.04.1+deb.sury.org+1, Copyright (c) 1999-2018, by Zend Technologies MySQL 5.7.25 AWS EC2 Server; running only 1 SuiteCRM instance The inbound emails were working till 2 days back; but now they won't import the emails. I am using GMail Apps IDs for Bounce Handling; currently there are 8 IDs with unread emails but my SuiteCRM instance won't process them. I have already tried deleting all Inbound Emails (Bounce Handling) and creating only 1 account. On the SuiteCRM UI; the connection test is successful; however when I tail the suitecrm logs at debug level; I see the following: Thu Apr 11 18:24:29 2019 [5705][1][ERROR] ImapHandler trying to set a non valid resource az stream. Thu Apr 11 18:24:29 2019 [5705][1][ERROR] ImapHandler trying to use a non valid resource stream. Thu Apr 11 18:24:29 2019 [5705][1][WARN] An Imap error detected: "IMAP open error" Thu Apr 11 18:24:29 2019 [5705][1][ERROR] ImapHandler trying to use a non valid resource stream. Thu Apr 11 18:24:29 2019 [5705][1][ERROR] ImapHandler trying to use a non valid resource stream. Thu Apr 11 18:24:29 2019 [5705][1][ERROR] ImapHandler trying to set a non valid resource az stream. Thu Apr 11 18:24:29 2019 [5705][1][ERROR] ImapHandler trying to use a non valid resource stream. Thu Apr 11 18:24:29 2019 [5705][1][WARN] An Imap error detected: "IMAP open error" Thu Apr 11 18:24:29 2019 [5705][1][ERROR] ImapHandler trying to use a non valid resource stream. Thu Apr 11 18:24:29 2019 [5705][1][ERROR] ImapHandler trying to use a non valid resource stream. Thu Apr 11 18:24:29 2019 [5705][1][ERROR] ImapHandler trying to set a non valid resource az stream. Thu Apr 11 18:24:29 2019 [5705][1][ERROR] ImapHandler trying to use a non valid resource stream. Thu Apr 11 18:24:29 2019 [5705][1][WARN] An Imap error detected: "IMAP open error" Thu Apr 11 18:24:29 2019 [5705][1][ERROR] ImapHandler trying to use a non valid resource stream. Thu Apr 11 18:24:29 2019 [5705][1][ERROR] ImapHandler trying to use a non valid resource stream. Thu Apr 11 18:24:29 2019 [5705][1][WARN] An Imap error detected: "Can't open mailbox {imap.gmail.com:993\/service=imap\/ssl\/tls\/validate-cert\/secure}INBOX: invalid remote specification" Thu Apr 11 18:24:29 2019 [5705][1][ERROR] ImapHandler trying to use a non valid resource stream. Thu Apr 11 18:24:29 2019 [5705][1][WARN] An Imap error detected: "Can't open mailbox {imap.gmail.com:993\/service=imap\/ssl\/tls\/validate-cert\/secure}INBOX: invalid remote specification" Thu Apr 11 18:24:29 2019 [5705][1][WARN] An Imap error detected: "Can't open mailbox {imap.gmail.com:993\/service=imap\/ssl\/tls\/validate-cert\/secure}INBOX: invalid remote specification" Thu Apr 11 18:24:29 2019 [5705][1][WARN] An Imap error detected: "Can't open mailbox {imap.gmail.com:993\/service=imap\/ssl\/tls\/validate-cert\/secure}INBOX: invalid remote specification" Thu Apr 11 18:24:29 2019 [5705][1][ERROR] ImapHandler trying to set a non valid resource az stream. Thu Apr 11 18:24:29 2019 [5705][1][ERROR] ImapHandler trying to use a non valid resource stream. Thu Apr 11 18:24:29 2019 [5705][1][WARN] An Imap error detected: "IMAP open error" Thu Apr 11 18:24:29 2019 [5705][1][ERROR] ImapHandler trying to use a non valid resource stream. Thu Apr 11 18:24:29 2019 [5705][1][ERROR] ImapHandler trying to use a non valid resource stream. Thu Apr 11 18:24:29 2019 [5705][1][ERROR] ImapHandler trying to set a non valid resource az stream. Thu Apr 11 18:24:29 2019 [5705][1][ERROR] ImapHandler trying to use a non valid resource stream. Thu Apr 11 18:24:29 2019 [5705][1][WARN] An Imap error detected: "IMAP open error" Thu Apr 11 18:24:29 2019 [5705][1][ERROR] ImapHandler trying to use a non valid resource stream. Thu Apr 11 18:24:29 2019 [5705][1][ERROR] ImapHandler trying to use a non valid resource stream. Thu Apr 11 18:24:29 2019 [5705][1][ERROR] ImapHandler trying to set a non valid resource az stream. Thu Apr 11 18:24:29 2019 [5705][1][ERROR] ImapHandler trying to use a non valid resource stream. Thu Apr 11 18:24:29 2019 [5705][1][WARN] An Imap error detected: "IMAP open error" Thu Apr 11 18:24:29 2019 [5705][1][ERROR] ImapHandler trying to use a non valid resource stream. Thu Apr 11 18:24:29 2019 [5705][1][ERROR] ImapHandler trying to use a non valid resource stream. Thu Apr 11 18:24:29 2019 [5705][1][WARN] An Imap error detected: "Can't open mailbox {imap.gmail.com:993\/service=imap\/ssl\/tls\/validate-cert}INBOX: invalid remote specification" Thu Apr 11 18:24:29 2019 [5705][1][ERROR] ImapHandler trying to use a non valid resource stream. Thu Apr 11 18:24:29 2019 [5705][1][WARN] An Imap error detected: "Can't open mailbox {imap.gmail.com:993\/service=imap\/ssl\/tls\/validate-cert}INBOX: invalid remote specification" Thu Apr 11 18:24:29 2019 [5705][1][WARN] An Imap error detected: "Can't open mailbox {imap.gmail.com:993\/service=imap\/ssl\/tls\/validate-cert}INBOX: invalid remote specification" Thu Apr 11 18:24:29 2019 [5705][1][WARN] An Imap error detected: "Can't open mailbox {imap.gmail.com:993\/service=imap\/ssl\/tls\/validate-cert}INBOX: invalid remote specification" Thu Apr 11 18:24:30 2019 [5705][1][ERROR] ImapHandler trying to set a non valid resource az stream. Thu Apr 11 18:24:30 2019 [5705][1][ERROR] ImapHandler trying to use a non valid resource stream. Thu Apr 11 18:24:30 2019 [5705][1][WARN] An Imap error detected: "IMAP open error" Thu Apr 11 18:24:30 2019 [5705][1][ERROR] ImapHandler trying to use a non valid resource stream. Thu Apr 11 18:24:30 2019 [5705][1][ERROR] ImapHandler trying to use a non valid resource stream. Thu Apr 11 18:24:30 2019 [5705][1][ERROR] ImapHandler trying to set a non valid resource az stream. Thu Apr 11 18:24:30 2019 [5705][1][ERROR] ImapHandler trying to use a non valid resource stream. Thu Apr 11 18:24:30 2019 [5705][1][WARN] An Imap error detected: "IMAP open error" Thu Apr 11 18:24:30 2019 [5705][1][ERROR] ImapHandler trying to use a non valid resource stream. Thu Apr 11 18:24:30 2019 [5705][1][ERROR] ImapHandler trying to use a non valid resource stream. Thu Apr 11 18:24:30 2019 [5705][1][ERROR] ImapHandler trying to set a non valid resource az stream. Thu Apr 11 18:24:30 2019 [5705][1][ERROR] ImapHandler trying to use a non valid resource stream. Thu Apr 11 18:24:30 2019 [5705][1][WARN] An Imap error detected: "IMAP open error" Thu Apr 11 18:24:30 2019 [5705][1][ERROR] ImapHandler trying to use a non valid resource stream. Thu Apr 11 18:24:30 2019 [5705][1][ERROR] ImapHandler trying to use a non valid resource stream. Thu Apr 11 18:24:30 2019 [5705][1][WARN] An Imap error detected: "Can't do secure authentication with this server" Thu Apr 11 18:24:30 2019 [5705][1][ERROR] ImapHandler trying to use a non valid resource stream. Thu Apr 11 18:24:30 2019 [5705][1][WARN] An Imap error detected: "Can't do secure authentication with this server" Thu Apr 11 18:24:30 2019 [5705][1][WARN] An Imap error detected: "Can't do secure authentication with this server" Thu Apr 11 18:24:30 2019 [5705][1][WARN] An Imap error detected: "Can't do secure authentication with this server" Thu Apr 11 18:24:31 2019 [5705][1][WARN] Requested folder is not defined Thu Apr 11 18:24:31 2019 [5705][1][ERROR] ImapHandler trying to use a non valid resource stream. Thu Apr 11 18:24:31 2019 [5705][1][ERROR] ImapHandler trying to use a non valid resource stream. Thu Apr 11 18:24:31 2019 [5705][1][ERROR] ImapHandler trying to use a non valid resource stream. Thu Apr 11 18:24:31 2019 [5705][1][WARN] Connection is not a valid resource. On Gmail Side I have already checked for: - IMAP is enabled - Password is correct - allow less secure is enabled - able to connect to the Gmail account via Outlook using IMAP - imap.gmail.com port 993 Use SSL: yes Assuming that GMail might be blocking my server to connect for security reasons; I used the commands at https://tewarid.github.io/2011/05/10/access-imap-server-from-the-command-line-using-openssl.html to connect to the GMail account and was able to successfully connect. Herein is the log details: username@ip-123-123-123-123:/var/www/html$ openssl s_client -crlf -connect imap.gmail.com:993 CONNECTED(00000003) depth=0 OU = "No SNI provided; please fix your client.", CN = invalid2.invalid verify error:num=18:self signed certificate verify return:1 depth=0 OU = "No SNI provided; please fix your client.", CN = invalid2.invalid verify return:1 --- Certificate chain 0 s:/OU=No SNI provided; please fix your client./CN=invalid2.invalid i:/OU=No SNI provided; please fix your client./CN=invalid2.invalid --- Server certificate -----BEGIN CERTIFICATE----- MIIDfDCCAmSgAwIBAgIJAJB2iRjpM5OgMA0GCSqGSIb3DQEBCwUAME4xMTAvBgNV BAsMKE5vIFNOSSBwcm92aWRlZDsgcGxlYXNlIGZpeCB5b3VyIGNsaWVudC4xGTAX BgNVBAMTEGludmFsaWQyLmludmFsaWQwHhcNMTUwMTAxMDAwMDAwWhcNMzAwMTAx MDAwMDAwWjBOMTEwLwYDVQQLDChObyBTTkkgcHJvdmlkZWQ7IHBsZWFzZSBmaXgg eW91ciBjbGllbnQuMRkwFwYDVQQDExBpbnZhbGlkMi5pbnZhbGlkMIIBIjANBgkq hkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAzWJP5cMThJgMBeTvRKKl7N6ZcZAbKDVA tNBNnRhIgSitXxCzKtt9rp2RHkLn76oZjdNO25EPp+QgMiWU/rkkB00Y18Oahw5f i8s+K9dRv6i+gSOiv2jlIeW/S0hOswUUDH0JXFkEPKILzpl5ML7wdp5kt93vHxa7 HswOtAxEz2WtxMdezm/3CgO3sls20wl3W03iI+kCt7HyvhGy2aRPLhJfeABpQr0U ku3q6mtomy2cgFawekN/X/aH8KknX799MPcuWutM2q88mtUEBsuZmy2nsjK9J7/y hhCRDzOV/yY8c5+l/u/rWuwwkZ2lgzGp4xBBfhXdr6+m9kmwWCUm9QIDAQABo10w WzAOBgNVHQ8BAf8EBAMCAqQwHQYDVR0lBBYwFAYIKwYBBQUHAwEGCCsGAQUFBwMC MA8GA1UdEwEB/wQFMAMBAf8wGQYDVR0OBBIEELsPOJZvPr5PK0bQQWrUrLUwDQYJ KoZIhvcNAQELBQADggEBALnZ4lRc9WHtafO4Y+0DWp4qgSdaGygzS/wtcRP+S2V+ HFOCeYDmeZ9qs0WpNlrtyeBKzBH8hOt9y8aUbZBw2M1F2Mi23Q+dhAEUfQCOKbIT tunBuVfDTTbAHUuNl/eyr78v8Egi133z7zVgydVG1KA0AOSCB+B65glbpx+xMCpg ZLux9THydwg3tPo/LfYbRCof+Mb8I3ZCY9O6FfZGjuxJn+0ux3SDora3NX/FmJ+i kTCTsMtIFWhH3hoyYAamOOuITpPZHD7yP0lfbuncGDEqAQu2YWbYxRixfq2VSxgv gWbFcmkgBLYpE8iDWT3Kdluo1+6PHaDaLg2SacOY6Go= -----END CERTIFICATE----- subject=/OU=No SNI provided; please fix your client./CN=invalid2.invalid issuer=/OU=No SNI provided; please fix your client./CN=invalid2.invalid --- No client certificate CA names sent Peer signing digest: SHA256 Server Temp Key: X25519, 253 bits --- SSL handshake has read 1386 bytes and written 373 bytes Verification error: self signed certificate --- New, TLSv1.3, Cipher is TLS_AES_256_GCM_SHA384 Server public key is 2048 bit Secure Renegotiation IS NOT supported Compression: NONE Expansion: NONE No ALPN negotiated SSL-Session: Protocol : TLSv1.3 Cipher : TLS_AES_256_GCM_SHA384 Session-ID: Session-ID-ctx: Resumption PSK: 000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 PSK identity: None PSK identity hint: None SRP username: None Start Time: 1555020226 Timeout : 7200 (sec) Verify return code: 18 (self signed certificate) Extended master secret: no Max Early Data: 0 --- * OK Gimap ready for requests from 3.18.238.149 g17mb16209661ivc tag login username@gmail.com password * CAPABILITY IMAP4rev1 UNSELECT IDLE NAMESPACE QUOTA ID XLIST CHILDREN X-GM-EXT-1 UIDPLUS COMPRESS=DEFLATE ENABLE MOVE CONDSTORE ESEARCH UTF8=ACCEPT LIST-EXTENDED LIST-STATUS LITERAL- SPECIAL-USE APPENDLIMIT=35651584 tag OK username@gmail.com authenticated (Success) tag LIST "" "*" * LIST (\HasNoChildren) "/" "INBOX" * LIST (\HasChildren \Noselect) "/" "[Gmail]" * LIST (\All \HasNoChildren) "/" "[Gmail]/All Mail" * LIST (\Drafts \HasNoChildren) "/" "[Gmail]/Drafts" * LIST (\HasNoChildren \Important) "/" "[Gmail]/Important" * LIST (\HasNoChildren \Sent) "/" "[Gmail]/Sent Mail" * LIST (\HasNoChildren \Junk) "/" "[Gmail]/Spam" * LIST (\Flagged \HasNoChildren) "/" "[Gmail]/Starred" * LIST (\HasNoChildren \Trash) "/" "[Gmail]/Trash" tag OK Success tag STATUS INBOX tag BAD Could not parse command tag STATUS INBOX (MESSAGES) * STATUS "INBOX" (MESSAGES 617) tag OK Success tag logout * BYE LOGOUT Requested tag OK 73 good day (Success) read:errno=0 Any assistance on this would be highly appreciated.

deekerman added the

Type: Bug

Area: Emails

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labels

2026-02-20 16:08:34 -05:00

deekerman commented

2026-02-20 16:08:36 -05:00

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@c0cl3c commented on GitHub (May 3, 2019):

Same issue, but with Exchange Online. Went through the same online tests. Can connect directly from CLI via the server. Same error in suitecrm.log.

Weird thing is that I have a Zuver server that has basic IMAP support. I created a subdomain for email and set this up as a Group email address and it does come through. But the Case Creation template is broken. Does not respond with the Case number, etc.

Whats really weird is the case creation response is coming from the System email setup in SCRM, not the email details entered for the Group Mailbox or from AOP.

@c0cl3c commented on GitHub (May 3, 2019): Same issue, but with Exchange Online. Went through the same online tests. Can connect directly from CLI via the server. Same error in suitecrm.log. Weird thing is that I have a Zuver server that has basic IMAP support. I created a subdomain for email and set this up as a Group email address and it does come through. But the Case Creation template is broken. Does not respond with the Case number, etc. Whats really weird is the case creation response is coming from the System email setup in SCRM, not the email details entered for the Group Mailbox or from AOP.

deekerman commented

2026-02-20 16:08:36 -05:00

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@greenlanegreb commented on GitHub (Aug 25, 2019):

and still not fixed on a clean install of 7.11.7 (or fixed on today's upgrade to 7.11.8).

@greenlanegreb commented on GitHub (Aug 25, 2019): and still not fixed on a clean install of 7.11.7 (or fixed on today's upgrade to 7.11.8).

deekerman commented

2026-02-20 16:08:36 -05:00

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@timo12357 commented on GitHub (Jan 28, 2020):

Same problem on 7.10.22 LTS

@timo12357 commented on GitHub (Jan 28, 2020): Same problem on 7.10.22 LTS

deekerman commented

2026-02-20 16:08:36 -05:00

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@ebogaard commented on GitHub (Jun 8, 2021):

This is actually due to an issue with php-imap in combination with TLS 1.3, which is enabled by openssl 1.1.1x.
For that TLS-version, SNI isn't enabled, which leads to the issues shown with imap.google.com, as shown in the start post.
See: https://bugs.launchpad.net/ubuntu/+source/php-imap/+bug/1834340

As I understand, php-imap is based on an ancient and unsupported library, see: https://forum.remirepo.net/viewtopic.php?pid=11856
This is the reason modern distro's don't package php-imap anymore.

So the only proper solution is to implement a different imap library, as is proposed in #8942 as well.

@ebogaard commented on GitHub (Jun 8, 2021): This is actually due to an issue with php-imap in combination with TLS 1.3, which is enabled by openssl 1.1.1x. For that TLS-version, SNI isn't enabled, which leads to the issues shown with imap.google.com, as shown in the start post. See: https://bugs.launchpad.net/ubuntu/+source/php-imap/+bug/1834340 As I understand, php-imap is based on an ancient and unsupported library, see: https://forum.remirepo.net/viewtopic.php?pid=11856 This is the reason modern distro's don't package php-imap anymore. So the only proper solution is to implement a different imap library, as is proposed in #8942 as well.