hello all,
up to few days ago, in /etc/mailname i had only the name of the server.. lets say carmen a wordpress site could not send verification mails via yahoo, with an error.. i do not have the error right now.. but it was something about the name of the sender machine.. so, in /etc/mailname i added the full name, lets say carmen.example.com after this, none can get mail, and i get these messages:
The mail system
angel-eco-xxxx.xx@carmen.example.com (expanded from angel@eco-xxxx.xx): mail for carmen.example.com loops back to myself
so, whats the right setting to send/receive mail properly ?
this is the error from yahoo, when wordpress tries to send mail:
May 9 16:49:15 carmen postfix/pickup[27627]: 9BEAC100F5C9: uid=1146 from=<thessradio>May 9 16:49:15 carmen postfix/cleanup[11887]: 9BEAC100F5C9: message-id=<4a47ded51e3325e9fd4408d84f660318@thessradio.net>
May 9 16:49:15 carmen postfix/qmgr[10896]: 9BEAC100F5C9: from=<thessradio@carmen>, size=8071, nrcpt=1 (queue active)
May 9 16:49:15 carmen postfix/smtp[12283]: warning: yahoo.gr: dane configured with dnssec lookups disabled
May 9 16:49:16 carmen postfix/smtp[12283]: 9BEAC100F5C9: to=<annieberka@yahoo.gr>, relay=mx-eu.mail.am0.yahoodns.net[212.82.101.46]:25, delay=1.3, delays=0.41/0/0.86/0.04, dsn=5.0.0, status=bounced (host mx-eu.mail.am0.yahoodns.net[212.82.101.46] said: 501 Syntax error in parameters or arguments (in reply to MAIL FROM command))
May 9 16:49:16 carmen postfix/cleanup[11887]: DFDDD100F5CD: message-id=<20190509134916.DFDDD100F5CD@carmen.ezhellas.com>
May 9 16:49:17 carmen postfix/bounce[12487]: 9BEAC100F5C9: sender non-delivery notification: DFDDD100F5CD
May 9 16:49:17 carmen postfix/qmgr[10896]: DFDDD100F5CD: from=<>, size=10065, nrcpt=1 (queue active)
I'd be fairly certain this line is the root of your problem:
May 9 16:49:15 carmen postfix/qmgr[10896]: 9BEAC100F5C9: from=<thessradio@carmen>, size=8071, nrcpt=1 (queue active)I've never used Wordpress, but I would double check the settings in Wordpress to make sure you have set up the outbound email correctly, particularly the From email address.
I suggest to install WP SMTP plugin, configure it to use the sending account you want to use/check and make the test provided by the plugin itself: you should get a descriptive error log that could help you to identify and fixthe issue
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