natan maciej milaszewski:
> Thenx for replay:
>
> May? 5 06:00:51 smtp1 postfix/smtpd[5939]: warning: Illegal address
> syntax from unknown[217.153.30.34] in RCPT command: <>
...
> May? 5 06:00:54 smtp1 postfix/smtpd[6444]: warning:
> unknown[111.72.195.23]: SASL LOGIN authentication failed: authentication
> failure
> May? 5 06:00:54 smtp1 postfix/submission/smtpd[6464]: warning: hostname
> zg-0428c-286.stretchoid.com does not resolve to address 162.243.138.183:
> Name or service not known
>
> nothing else
That is FOUR SECONDS of Postfix logging. That us even less
than the Postfix timeout for delivering mail over SMTP.
You need to collect logs over at least 5 minutes.
Wietse
