Office 365 Outlook 2016 will not send emails with attachments since - Microsoft Community


i did update prompted on friday & since have been unable send emails attachments. immediate email after pressing send system administrator following:

your message did not reach or of intended recipients.

552 #5.3.4 message size exceeds limit

attempting send emails  attachments small 123 kb & still response. have attempted sending emails multiple people (as read might problem mail box being full) & still not work.

i have used registry editor lift restrictions on email size. have deleted signatures suggested in thread bug fix did not work either. can send emails attachments through email provider webmail without issue feel outlook issue since doing update version 1702 (7870.2020)

any suggestions appreciated.

hello,

a few possible reasons can cause of issue. check if configuration error cause of problem,

recommend download , run microsoft office configuration analyzer tool (offcat). tool provides quick , easy way analyze microsoft office programs known configurations cause problems.

if issue persists, know following information further pinpoint cause of matter:

keep updated status of issue.



Office / Outlook / Windows 10 / Office 2016



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