Questions tagged [smtp-auth]
128 questions
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1 answer
How to do Postfix accept outgoing mail from another internal servers
I have a MTA with Postfix SSL/TLS configured and sending messages perfectly fine. In the same internal network, I have other servers that I want to send mail through this MTA.
In main.cf variable 'mynetworks', I already configured CIDR to accept…
Sergio Mira
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1 answer
SMTP , they are hacking my server spammed?
2013-04-15 18:12:55 217.119.50.209 OutboundConnectionResponse SMTPSVC1 ADSERVER - 25 - - 250-blue-ld-242.synserver.de 0 0 28 0 359 SMTP - - - -
2013-04-15 18:12:55 217.119.50.209 OutboundConnectionCommand SMTPSVC1 ADSERVER - 25 MAIL -…
Lucas Rodrigues Sena
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1 answer
How can I enable DKIM email verification on windows server 2019 for sending DKIM verified email via SMTP service?
I am sending activation and verification emails from my domain : https://www.monstermmorpg.com/
Recently I have moved to a new installation
The new server is : Windows Server 2019
How can I set a proper DKIM?
Moreover, gmail tells that the message…
Furkan Gözükara
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1 answer
Outlook 2010 can receive but not send - authentication fails - Thunderbird works
After the mailserver was upgraded from CentOS6 to CentOS 7, Outlook 2010 on Windows 7 can receive email but not send, the error says authentication failed. However Mozilla Thunderbird can receive and send. In the email account SMTP settings 'My…
Nick W
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2 answers
Failed SMTP Authentication - TOSHIBA e-STUDIO255
I do have TOSHIBA e-STUDIO255 and i have configured scan to email option. about one week it's worked perfectly but now it's keep giving me this error "Failed SMTP Authentication". i have not change any settings on printer. smtp settings as…
lahiru madhumadha
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2 answers
How to properly use SMTP authentication?
I have been trying to configure Postfix to use SMTP authentication. When I telnet on port 587, I appear to be authenticating correctly, but the mail fails to reach its destination and instead comes back as 553 rejected by Spamhaus because my IP is…
galtech
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2 answers
centos 6.4 sendmail SMTP-AUTH not working
I want cinfugiure centos 6.4 server with sendmail and dovecot to SMTP-AUTH , I configure saslauthd and sendmail, but the SMTP-AUTH is not function,actual configuration is
[root@server sasl2]# rpm -qa | grep sendmail
…
mardon
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Error Code: 503 Unable to receive emails
I am running an emailing system using which I am able to send email. Of course my emails are directly moving to user's spam bin. Strange that I am unable to receive emails from any other domains.
I tool SMTP test and found the below error.
503 This…
Karthik Malla
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