Difference between IMAP and POP3

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IMAP stands for “Internet Message Access Protocol”. It’s a fancy name for a protocol used by email programs like Outlook, Thunderbird, and others to access your email. IMAP is an alternative to POP3 (Post Office Protocol 3), works in some fundamentally different ways, and makes a few fundamentally different assumptions. IMAP and POP are two different protocols. There are…

exim mail sending process

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LOG: MAIN cwd=/usr/local/cpanel/whostmgr/docroot 4 args: /usr/sbin/ exim -v -M 1Y2u8h-0002Rb-KS delivering 1Y2u8h-0002Rb-KS LOG: MAIN Unfrozen by forced delivery Connecting to gmail-smtp-in.l.google.com [64.233.171.26]:25 ... connected SMTP<> EHLO host.linuxbeginners.com SMTP<> STARTTLS SMTP<> EHLO host.linuxbeginners.com SMTP<> MAIL FROM: SIZE=2555 SMTP>> RCPT TO: SMTP>> DATA SMTP<< 250 2.1.0 OK v37si5068329qgd.45 - gsmtp SMTP<< 250 2.1.5 OK v37si5068329qgd.45 - gsmtp…