Category Archives: SMTP

By December 04, 2012

make sure your resolv.conf file is correct under /etc/ . if so then copy this file to /var/spool/postfix/etc/resolv.conf then run postfix flush or postqueue -f to force postfix to reprocess the queue      

Read More
By May 08, 2012

NOQUEUE: reject: RCPT from 450 4.1.2 <>: Recipient address rejected: Domain not found; from=<bounce solution: check your dns record for errors, in most cases you are missing a A record. Or the dns servers are not responding.  

Read More
By January 02, 2010

421 Server is busy, try again later.Connection closed by foreign host. This is caused by the smtp is not able to accept anymore inbound connections.

Read More
By November 09, 2008

The first thing to do is to open a connection from your computer to your mail server. telnet mail.domain.ext 110 You should receive a reply like: Trying ???.???.???.???… Connected to mail.domain.ext. Escape character is ‘^]’. +OK ready   Then log in: USER userName This should give you: +OK Password required for userName.   Now give

Read More
By February 07, 2008

You can change the ports for *all email accounts* in Eudora for the POP, IMAP, SMTP, ACAP, or Password Change Port by using the esoteric settings. First exit Eudora. Look in the Eudora directory for the folder “Extrastuff”. In this folder there is a file named “esoteric.epi”. Drag this file into the main Eudora directory.

Read More
1 2