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| comcast Too many sessions opened https://forum.linode.com/viewtopic.php?f=11&t=11780 |
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| Author: | srose99 [ Mon Apr 27, 2015 12:54 pm ] |
| Post subject: | comcast Too many sessions opened |
Hello All, I'm having an issue with Comcast. Can someone tell me how to narrow down what is going on and how to resolve it? (I replaced the valid e-mail address with X's, and the real domain with "mydomain.com". Thanks in Advance! - Sam linode768-sr [3] sr> telnet mx2.comcast.net 25 Trying 2001:558:fe21:2a::6... Connected to mx2.comcast.net. Escape character is '^]'. 421 resimta-ch2-03v.sys.comcast.net comcast Too many sessions opened # mailq /var/spool/mqueue (2 requests) -----Q-ID----- --Size-- -----Q-Time----- ------------Sender/Recipient----------- t3RERYSN020985 2271 Mon Apr 27 09:27 <apache@mydomain.com> (Deferred: 421 resimta-ch2-10v.sys.comcast.net comcast Too ma) <XXXXXX@comcast.net> t3RF6GPm002155 2495 Mon Apr 27 10:06 <apache@mydomain.com> (Deferred) <XXXXX@comcast.net> Total requests: 2 |
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| Author: | Vance [ Tue Apr 28, 2015 2:15 am ] |
| Post subject: | Re: comcast Too many sessions opened |
Since you're connecting via IPv6, maybe you're running into this problem? |
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| Author: | srose99 [ Tue Apr 28, 2015 3:25 am ] |
| Post subject: | Re: comcast Too many sessions opened |
Thanks, I think this is separate. In the past I was getting the error "..found on one or more DNSBLs, see http://postmaster.comcast.net/smtp-erro ... p#BL000001" But then I changed sendmail to use IPV4 address, and now getting the "Too many sessions opened" error message. |
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| Author: | hjohnson57 [ Wed May 27, 2015 3:18 pm ] |
| Post subject: | Re: comcast Too many sessions opened |
You might want to look at destination_concurrency settings: see http://www.porcupine.org/postfix/doc/ra ... estination |
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