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WordPress 4.9.2 CiviCRM 4.7.29

I'm trying to upgrade to PHP 7 from 5.5, but CiviCRM mailer stops working. The Send test email results in: enter image description here

To verify the email settings I used Easy WP SMTP enter image description here

And it is able to send a test email. enter image description here

The server does not support SSL or TLS. Any ideas about what to try next?

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  • Can you double check the port in the CiviMail, it looks to be set to 567 in the screenshots. – Kevin Cristiano Jan 17 '18 at 19:56
  • Thank you for noticing that. I'm getting authentication errors now in PHP 5.5.38. Does Settings - Outbound Mail reset the SMTP password if you change the configuration port or server? – Codedogs Jan 17 '18 at 21:19
  • I would reenter the password to be certain. – Kevin Cristiano Jan 17 '18 at 21:25
  • Yes authentication errors = wrong password. – Codedogs Jan 18 '18 at 17:18
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It's likely that you've added (or removed) the php-crypt library in your PHP upgrade process. This would cause your password to be encrypted in an incompatible method. Re-enter your credentials or match your php-crypt to what it was previously.

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  • If that were the case, why did Easy WP SMTP not have the same problem? This is not the first time I've had this problem. – Codedogs Jan 18 '18 at 17:16
  • If the problem is what I'm suggesting it is, then the issue isn't SMTP - it's how the credentials are stored in the database. I have no idea how Easy WP SMTP stores its credentials in the database. – Jon G - Megaphone Tech Jan 18 '18 at 17:43
  • All other sites are working fine but currently it gives some error as "The e-mail could not be sent. Possible reason: your host may have disabled the mail() function..." – Vishal Kumar Sahu Jun 14 '18 at 19:59
  • @VishalKumarSahu That sounds like a different problem. – Jon G - Megaphone Tech Jun 14 '18 at 21:01
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Check this answer on the SE question SMTP connection failing problem. Seems related with your problem due to the PHP update above version 5.5.

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