View Single Post
  #3   (View Single Post)  
Old 20th June 2015
jggimi's Avatar
jggimi jggimi is offline
More noise than signal
 
Join Date: May 2008
Location: USA
Posts: 6,376
Default

Hello, and welcome!

You mention resolvers are good, and you show us you get a reverse lookup of 127.0.0.1 to localhost in 0 milliseconds, but what you didn't show is is the resolution time for test.com, the FQDN you were sending your test mail to.

I'll guess that $ dig test.com might not resolve so quickly.

--------

Edited to add a second guess, which is probably better.

My second guess is that you have a mismatch between the forward DNS resolution for test.com, and the reverse DNS resolution of localhost, and sendmail is therefore waiting for a resolution timeout.

Last edited by jggimi; 20th June 2015 at 01:46 PM. Reason: added forward/reverse resolution mismatch
Reply With Quote