Questions tagged [smtp]

Simple Mail Transfer Protocol. Configuration option in CiviCrm for sending outgoing email.

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votes
4answers
2k views

SMTP connection failing problem

Just want to throw this question here so the answers can be easily found by people who met similar problems. Problem came up when we were trying to test some new mailing services with CiviCRM 4.7, we ...
8
votes
3answers
2k views

Outbound mail fails after upgrading to 4.7.1

I recently upgraded my site to 4.7.1. Outbound SMTP does not work. Even though I use the correct credentials, I get errors and email does not send. I restored my site back to 4.6, and all is good. ...
5
votes
3answers
529 views

Outgoing Mail Settings, CiviSMTP & PHP 5.6.x Problem

After upgrading CiviCRM from 4.3.8 to 4.7.15 on Drupal 7, our outgoing mail is giving an error after sending a test email. I'm on a Debian server running PHP 5.6.x and we use CiviSMTP for our outgoing ...
4
votes
1answer
256 views

Mailing Bounces 100% with “authentication failure” or “failed to set sender”

I have some issues with sending out mailings (used to work, now it doesn't anymore). My mailing is failing 100% with a combination of the following errors: authentication failure [SMTP: Invalid ...