Mass Email Server Fixed - IMAP Issue

Abdullah Ayub

Project Description:

The SaaS relied heavily on mass outgoing emails which would often clog the servers. Client needed help with the issue so I hopped on.

The IMAP server, Dovecot was not configured properly to handle over 100 processes concurrently.

Dovecot Log - Issue Highlighted
Dovecot Log - Issue Highlighted

Fix:

Fixed the issue by tweaking the relevant configuration files and raising the limits. A quick restart, and voila! All good.
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Posted May 26, 2024

Client was not able to send mass emails anymore from their server. Turned out a process limit issue in Dovecot which I in addition to other stuff fixed promptly

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