The sendmail server is not able to receive all the mails when the ICMP is blocked on the system.

Solution Unverified - Updated -

Issue

The sendmail server is not able to receive emails from certain servers. Logs state the below.

sendmail[26116]: nBHGacRi026116: SYSERR(root): collect: read timeout on connection from example.com, from=<> 
sendmail[26695]: nBHGp2Mj026695: SYSERR(root): collect: read timeout on connection from example.net, from=<user.name@example.net

Environment

  • Red Hat Enterprise Linux

  • sendmail-8.13.1-3.3.el4

  • Zywall Firewall

Subscriber exclusive content

A Red Hat subscription provides unlimited access to our knowledgebase, tools, and much more.

Current Customers and Partners

Log in for full access

Log In

New to Red Hat?

Learn more about Red Hat subscriptions

Using a Red Hat product through a public cloud?

How to access this content