Re: STARTTLS and mailservers who choke on it
- Am 29.03.2012 09:35, schrieb Ralf Hildebrandt:
> * Per Jessen <per@...>:yes, i noticed that too
>> I'm wondering how others handle this. We offer TLS for all inbound
>> traffic, which works fine 99% of the time. Every other day though I
>> notice one or two mailservers who simply cannot cope with it. They try,
>> but they keep getting a timeout. Something is clearly not working on
>> their side and the email will eventually not get delivered. (I'm pretty
>> certain they're all MSEX, but that's just a hunch).
>> To prevent this I check our logs regularly and use
>> smtpd_discard_ehlo_keyword_address_maps to disable starttls for those
>> servers that have a problem. It's a bit of a hassle, so I was wondering
>> how others handle it?
> I handle it exactly the same way. On a related issue: There are
> systems which request DSN (delivery status notification), but once our
> system sends those, their server won't accept them.
MfG Robert Schetterer