The MailSlurp SMTP Pop3 IMAP port settings are as follows:

How to configure and test SMTP, POP3, and IMAP inboxes using MailSlurp email APIs. Port 25, 465, 1143 and more.

The following ports and hosts are available for MailSlurp SMTP inboxes.

Protocol Encryption Port Host
SMTP None 25 mx.mailslurp.com
SMTP None 2525 mx.mailslurp.com
IMAP None 1143 mailslurp.click
SMTP TLS 587 mailslurp.mx
SMTP TLS 2587 mailslurp.mx
SMTP TLS 465 mailslurp.mx
SMTP TLS 2465 mailslurp.mx